Fire-place



Patented April 25, 186@ E m M M. A h m. IJ D.. m l e m H W w NITEDSTATES PATENT OFFICE.

WILLIAM H. JAMES, OF CINCINNATI, OHIO.

FIRE-PLACE.

Specification forming part of Letters Patent No. 47,423, dated April 25,1865.

do hereby declare the following to be a full,

clear, and exact description thereof, reference being had to theaccompanying drawings,

'making part of this specification.

My invention relates to form of open tireplace and grate which combinesthe advantages of the most active and equally distributed draft Aandcombustion in every part of the grate and of the most effect-iveradiation and conduction oi' heat, together with cornplete utilizationof iuel and permanence of those parts which in the common forms areliable to burn out.

` Figure l is a perspective view of my improved fire-place. Fig. 2 is alongitudinal section thereof. Fig. 3 is a transverse section immediatelyin rear of the mantel.

rIhe front or mantel may be a single casting ot' the form repre-sentedat A. The said casting may have projecting from its rear side customarystuds, a, and lugs af, for the attachment of the back and suspension ofthe grate, respectively.

My tire-back B is niche-formed, its horizontal section beingsemielliptical, and its upper part being arched forward to meet themantel in manner substantially as represented in Fig. 2. b are lugs nearits front margin, which receive the studs a, projecting from the mantel,

said studs being secured behind the said lugseither by riveting or theapplication of screwnuts b. A smoke-ventage, C, is provided near theupper part of the back. My lire-back may, like the mantel, consist of asingle casting.

The third and remaining piece, which constitutes my tire-place, is thegrate which belongs to the class known as basket-grates,77 and hascertain peculiarities of form, which, in combination with the fire-back,insures perfeet combustion and access of draft at every part. The saidgrate is lenticular or double convex in its horizontal section, saidsection being bounded by two circular or elliptical arcs, of which therear one is concentric with the concave surface of the fire-back, whilethe iront arc is somewhat tlatter. The grate is low in front, its twofront bars, D and E, being arcs of horizontal circles or ellipses, andits rear margin being formed of a convex and arched bar, F, whoseextreme upper edge is made to tit and rest against the concavity of thetire-back, and is crenated or indented with notches G, for admittingfinely-divided jets ot' heated draft-air to the smoke and ilame.`Depending from the bars E and F are asuitable number of longitudinalbars H, which form collectively the represented convex bottom, and whoserear edges slope away from the tire-back, so as to secure at all times aperfectlyunobstructed draft-passage to all parts ofthe i rear, ends, andtop, as well as of the front of the tire. This perfect access of air,together with absence within the grate of the usual dead corners77 foraccumulation of ashes, and the free-escape provided for the latter atevery part, secure a perfect and active combustion throughout.

A marked advantage of my invention consists in the comparative exemptionfrom burning out77 of those parts of the grate and fireback usuallysubject thereto, such exemption being' due to the access of air to everypart;

Aand incidental to this is yet another advantage, in the fact that nopart of the tire-back becomes so intensely heated as to be inapplicablefor air-warming, and consequently theentire space in its rear, save thatrequired for the smoke-flue, may be a hot air chamber capable of beingmade available for warming the same or other apartments by any customaryarrangcment of pipes and registers.

It is intended that the lire shall be built sloping upward from the barD to the bar F,

F, and G, the same being formed, combined,

and adapted to`operate in the manner set forth. In testimony of whichinvention I hereunto set my hand.

WILLIAM H.` JAMES. Witnesses:

Gno. H. KNIGHT,

J AMES H. LAYMAN.

